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Fast Intake Mainfold

This is a discussion on Fast Intake Mainfold within the External Engine forums, part of the LSx Technical Help Section category; I was going to get a Fast Intake Mainfold 92mm and a TB 92mm how much do you think rwhp ...

  1. #1
    Join Date
    Sep 2011

    Trans am

    Fast Intake Mainfold

    I was going to get a Fast Intake Mainfold 92mm and a TB 92mm how much do you think rwhp gains over the stock ls6 intake for a 01 trans am. A4

  2. #2
    Super Moderator
    pajeff02's Avatar
    Join Date
    Feb 2009
    Mansfield, PA

    Black & Blue
    '02 WS.6 / '07 Suburban

    You will need a tune to take advantage of the better flow. Also, an upgrade such as that is best paired with other mods, such as heads, cam, headers, etc... to realize what it is truly capable of.

  3. #3
    Senior Member INMY01TA's Avatar
    Join Date
    Jan 2006

    2001 Trans Am (sold)

    Correct^^. Bigger cam, aftermarket/ported heads, long tube headers, all will get you more with the FAST combo. Infact on an otherwise stock car gains would probably be nill over the LS6.

  4. #4
    Electrical Engineer KMdef9's Avatar
    Join Date
    Jul 2009
    North of the Motorcity

    Custom Swirly Black
    2001 WS6 M6

    I agree with above. I would wait on that MOD until you had at least long tube headers with cutouts or aftermarket catback.

    The more air that goes through a motor, the better. The intake will bring more air in, but that doesn't help when more air isn't being pushed out because of the limited stock exhaust.

  5. #5
    Member WS6SP33D's Avatar
    Join Date
    Nov 2011
    QuarterMile, KY

    Red w/ silver Stripes
    2000 WS6 6 Speed

    As said above you will need supporting mods to tell or see a difference over a LS6. I have had customers spend $1000+ on a fast setup and see anywhere from 4hp to 11hp gains. But with supporting mods i.e matched heads and matched custom grind cam you can see a pretty good gain.

  6. #6
    Old Member, New Username BrownsMillsAntz's Avatar
    Join Date
    Aug 2011
    Browns Mills NJ

    1995 Z28 w/ LS1 Swap

    Ported I believe it will give you around 20 more rwhp

    404 Rwhp uncorrected @ 6400

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